abstract：<!DOCTYPE html><html><head> <title>a链接</title> <style type="text/css"> /*表格*/ /**{margin: 0px;padding: 0px;}*/ table{border: 1px solid #ccc;border-coll
<!DOCTYPE html>
<html>
<head>
<title>a链接</title>
<style type="text/css">
/*表格*/
/**{margin: 0px;padding: 0px;}*/
table{border: 1px solid #ccc;border-collapse: collapse;}
tr th{height: 100px;width: 45px;border: 1px solid #ccc;}
tr td{height: 100px;width: 45px;border: 1px solid #ccc;}
</style>
</head>
<body>
<!-- 表格 -->
<table>
<tr>
<th>表头1</th>
<th>表头2</th>
<th>表头3</th>
<th>表头4</th>
<th>表头5</th>
</tr>
<tr>
<td>1</td>
<td>2</td>
<td>3</td>
<td>4</td>
<td rowspan="2">5</td>
</tr>
<tr>
<td colspan="4">1</td>
</tr>
</table>
</body>
</html>
Correcting teacher：西门大官人Correction time：2019-04-22 10:35:40
Teacher's summary：最好上传一下程序的运行效果图。rowspan colspan的作用是什么？